Date of Evaluation	Trait	PTA	Reliability
Sep 2025	Calving Difficulty(Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	76% ( High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.8%	75% 90%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	83%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.8%	83%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	70%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	69%
Sep 2025	Gestation (Days between conception and birth)	-2.72 days	95%
May 2025	Gestation (Days between conception and birth)	-2.71 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.98%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.8%	76% ( High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.8%	75% 90%
Sep 2025	Birth Size	18.1%	83%
May 2025	Birth Size	17.8%	83%
Sep 2025	Birth Weight	41.0 kg	70%
May 2025	Birth Weight	41.1 kg	69%
Sep 2025	Gest	-2.72 days	95%
May 2025	Gest	-2.71 days	95%
Sep 2025	Mort	-0.64	95%
May 2025	Mort	-0.78	95%
Sep 2025	Maternal Calving Difficulty	4.98%	79%
May 2025	Maternal Calving Difficulty	4.92%	79%

148 total progeny records from 49 dairy contemporary groups

( 6,329 herdmate records from 49 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.4%, FR: 22.7%, JE: 8.8%, NR: 0.8%, OTHER: 0.5%	HO: 62.6%, FR: 21.6%, JE: 12.6%, NR: 0.9%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.6% 2.4% 2.4%	5.9% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1045 Days 1114 Days 2273 Days	801 Days 1116 Days 2198 Days

16 total progeny records from 5 contemporary groups

( 620 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.6%, FR: 16.7%, JE: 5.9%, NR: 1.0%, OTHER: 0.3%	HO: 62.2%, FR: 21.2%, JE: 12.9%, NR: 1.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.7% 16.7% 17.5%	15.6% 15.6% 16.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.9kg 40.4kg	0kg 40.9kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1352 Days 2444 Days	817 Days 1186 Days 2340 Days

2 total progeny records from 1 contemporary groups

( 127 herdmate records from 1 contemporary groups)